The Vernier Ammonium Ion-Selective Electrode BNC Connector is a BNC terminated electrode used to measure the concentration of ammonium (NH₄⁺) ions in aqueous samples. Use with Vernier interfaces requires the Electrode Amplifier. Also compatible with Go Direct^® Electrode Amplifier and Go Direct^® Ion-Selective Electrode Amplifier.

Specifications

• Range (mV):
  • Electrode Amplifier: -450 mV to +1100 mV
  • Go Direct^® Electrode Amplifier: -1000 mV to +1000 mV
• Range (concentration): 1 to 18,000 mg/L (or ppm)
• Reproducibility (precision): ±30mV
• Interfering ions: K⁺, Li⁺, Na⁺, Cs⁺, Mg³⁺, Ca²⁺, Sr²⁺, Ba²⁺
• pH range: 2–7 (no pH compensation)
• Temperature range: 0–40°C (no temperature compensation)
• Electrode slope: +55 ±3 mV/decade at 25°C
• Electrode resistance: 0.1 to 5 MΩ
• Minimum sample size: must be submerged 2.8 cm (1.1 in)

Download the user manual for full specifications

Requirements

The Ammonium Ion-Selective Electrode BNC connects via BNC to one of our Electrode Amplifiers.

What's Included

• Ammonium Ion-Selective Electrode with BNC terminated end, packed with a storage bottle
• 30 mL bottle of High Standard solution with SDS (100 mg/L NH₄⁺ as N)
• 30 mL bottle of Low Standard solution with SDS (1 mg/L NH₄⁺ as N)
• Short-Term ISE Soaking Bottle

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